例如，出纳员将产品的价格输入终端机和后台系统的方法就是一种由于条形码和扫描仪的发明而带来的新方法。
For example, the way cashiers entered the price of products into the terminal and logistics systems changed drastically with the invention of bar codes and scanners.
类似地，后台任务希望收到来自控制终端的输入，但是控制终端不能将您输入的任何字符定向到后台进程的stdin。
Similarly, the background task expects input from the controlling terminal, but the controlling terminal has no way of directing any characters you type to the stdin of a background process.
当使用默认的bash终端设置在后台运行作业时，bash 通常会捕获SIGCHLD信号并在打印下一个终端输出行之后打印消息。
When you run a job in the background with default bash terminal settings, bash normally catches SIGCHLD signals and prints a message after the next terminal output line is printed.
本系统就是自动售货机的管理系统，是一个针对员工的后台系统，而自动售货机是用来出售各种商品的终端设备。
This system is the vending machine management system, which is a system against the background of employees, and the vending machine is used to sell various goods terminal equipment.
只有充分保障三个关键区域：后台服务器区域、中间的网络平台和前端的业务终端，实现高可用。
Only by fully protect three key regions: the background server region, the middle of the front-end Web platform and the business end, to achieve high availability.
用电管理系统架构为：从工业大用户的表计单元到智能采集终端，经过GPRS公网传输到供电局的配电中心及其后台数据管理系统。
In this article, the power consuming administrative system and it′s smart collect unit, which is based on GPRS communication, were introduced in detail.
用电管理系统架构为：从工业大用户的表计单元到智能采集终端，经过GPRS公网传输到供电局的配电中心及其后台数据管理系统。
In this article, the power consuming administrative system and it′s smart collect unit, which is based on GPRS communication, were introduced in detail.
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